Spark plug is siezed

RLNORRIS

MEMBER

1 POST

1990 TOYOTA PICKUP

6 CYL

2WD

MANUAL

I have a 1990 Toyoya truck with a v6 engine and the number one spark is siezed up. What are some of the ways to remove it? Also I am loosing coolant and I can't find any leaks and the radiator pressure checks good. How do I check this out?

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Saturday, January 8th, 2011 AT 11:10 PM

1 Reply

KHLOW2008

EXPERT

42,278 POSTS

Spray some rust penetrant into the plug tubes and let it soak for a while. Run engine till it is hot bfore attempting to loosen the spark plug. Get a strong plug wrench.

Is the coolant recovery tank depleting as well? If yes, there must be a leak somewhere and a pressure test should should be conclusive. What was the pressure used to test system?

Look out for signs of stains, especially at hose joints and the water pump. Look under the radiator for signs of leakage at the drain plug.